Home / 130,050.82-195,075.31-66,888.55

Finding the Fourth Proportional to 130,050.82, 195,075.31 and 66,888.55

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Solution

The fourth proportional to 130,050.82, 195,075.31 and 66,888.55 is: 100,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,050.82 : 195,075.31 = 66,888.55 : x
  2. Step 2: Convert to fraction form
    130,050.82/195,075.31 = 66,888.55/x
  3. Step 3: Cross multiply
    130,050.82x = 195,075.31 × 66,888.55
  4. Step 4: Simplify right side
    130,050.82x = 13,048,304,626.70
  5. Step 5: Solve for x
    x = 13,048,304,626.70/130,050.82
  6. Step 6: Final answer
    x = 100,332.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.